 /*******************************************************************************
  * Copyright (c) 2004, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.presentations;

 import org.eclipse.jface.action.Action;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.internal.WorkbenchMessages;
 import org.eclipse.ui.presentations.IStackPresentationSite;

 /**
  * @since 3.0
  */
 public class SystemMenuMoveFolder extends Action implements ISelfUpdatingAction {
     private IStackPresentationSite site;

     public SystemMenuMoveFolder(IStackPresentationSite site) {
         this.site = site;
         setText(WorkbenchMessages.ViewPane_moveFolder);
     }

     /* (non-Javadoc)
      * @see org.eclipse.jface.action.IAction#run()
      */
     public void run() {
         site.dragStart(Display.getDefault().getCursorLocation(), true);
     }

     public void update() {
         setEnabled(site.isStackMoveable());
     }

     public boolean shouldBeVisible() {
         return site.isStackMoveable();
     }
 }

